drm/i915/bw: Update bw calculation to account for 16 channels

Wa_16030862157:
Update Bandwidth Calculation to account for 16channel memory
config.

v2: Logical separation of changes (Suraj, Vinod)

WA: 16030862157, 16030875223
Bspec: 69131, 68859
Assisted-by: Claude:claude-opus-4-8
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Link: https://patch.msgid.link/20260715143243.4141208-3-uma.shankar@intel.com
This commit is contained in:
Uma Shankar 2026-07-15 20:02:43 +05:30
commit 7a4c8d8830